Add test_override_0msat_htlc_minimum

diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs
index f5462c2aa645108b3a17e33506a9ae6a5c0bcc24..d12de937e54cfe93cd3b8b7cc1f9a2134ac646ad 100644 (file)
--- a/lightning/src/ln/functional_tests.rs
+++ b/lightning/src/ln/functional_tests.rs
@@ -7315,3 +7315,21 @@ fn test_override_channel_config() {
        assert_eq!(res.channel_flags, 0);
        assert_eq!(res.to_self_delay, 200);
 }
+
+#[test]
+fn test_override_0msat_htlc_minimum() {
+       let mut zero_config = UserConfig::default();
+       zero_config.own_channel_config.our_htlc_minimum_msat = 0;
+       let chanmon_cfgs = create_chanmon_cfgs(2);
+       let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+       let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, Some(zero_config.clone())]);
+       let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+       nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 16_000_000, 12_000_000, 42, Some(zero_config)).unwrap();
+       let res = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
+       assert_eq!(res.htlc_minimum_msat, 1);
+
+       nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::supported(), &res);
+       let res = get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id());
+       assert_eq!(res.htlc_minimum_msat, 1);
+}